Power Minus

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the solution set for x is the 2nd 2x minus 3 equals 5 is it?

x ^ 2-2x-3 = 5 x ^ 2-2x-3-5 = 0 x ^ 2-2x-8 = 0 (x 2) (x 4) = 0 x +2 = 0 x-4 = 0 x =- 2 x = 4 x = () -2.4 answer / /